Working long hours can take a toll on your body which makes a comfortable chair essential. This executive swivel office chair will keep you comfortable, productive and help you get through those big projects on time. [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] Transparent black mesh back and seat, mid-back design, flip-up padded arms Pneumatic seat height adjustment, 2-to-1 locking synchro tilt adjustment, tilt tension adjustment knob, waterfall seat